Gustav Gerig AGpartnered with global tuna marketing company Pacifical c.v. to allow clients to certify the origin of its tuna range using blockchain technology.The blockchain implementation is being provided by Thailand-basedAtato, a blockchain service provider building enterprise-geared decentralized applications in partnership with Ethereum. Foodsupply chains and provenance have increasingly turned to blockchain in order to increase fairness and security along with transparency.Pacificalbegan partnering with Atato in August in order to bring blockchain’s benefits to tuna distribution.